A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5996-01-393-1101
NSN 6220-01-334-8306
NSN 5895-01-555-8061
NSN 6145-00-414-5315
NSN 6105-01-303-7476
NSN 5915-01-589-6049
NSN 5960-00-834-3369
NSN 5905-00-082-1927
NSN 6220-01-071-6096
NSN 6610-01-524-5998
NSN 5935-01-198-4694
NSN 6130-00-371-8337